“Thermal growth” often refers to the change in machinery positions as a machine runs from startup to operating conditions (or vice versa). Machinery positional change can also be caused by dynamic forces, mind pipe stress and other factors. Compensating for thermal growth is necessary because the machine will be misaligned during operating conditions if it […]

It is a good idea to complete a few pre-alignment steps prior to conducting any alignment activity. For instance: Verify a possible misalignment condition by using a condition monitoring technology such as vibration analysis or thermography when possible. This will help to identify the type of misalignment condition that is present, here and any other […]

Design, viagra installation and startup are the biggest contributors to a reliable or unreliable plant. It is difficult or impossible for a Maintenance Department to overcome issues inserted during one of these stages. Unfortunately, search most often the focus is placed on fixing the equipment after some functional failure has occurred. The focus should be […]

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A lot of maintenance employees believe that small machine trains can be precision aligned more quickly and easily than larger machine trains. This is not always the case! Smaller machine trains are usually less rigid. This can cause the alignment to shift as the anchor bolts are tightened. Almost all small machine trains have some […]

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Taking the Heat out of Thermal Growth Issues – Part 1 by Daus Studenberg “Thermal growth” often refers to the change in machinery positions as a machine runs from startup to operating conditions (or vice versa). Machinery positional change can also be caused by dynamic forces, store pipe stress and other factors. Compensating for thermal […]

TURBOMACHINERY INTERNATIONAL • May/June 2012 Thermal growth, and as used in the field of machinery alignment means machine frame expansion resulting from heat generation. The generation of heat, no rx of course, order is caused by operational processes and forces. Materials subjected to temperature changes from heat generation will expand by precise amounts defined by […]

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